8259ae1cc965aaf8545853248063d227fa62eb87d38616ca96a9275bb22971a1

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 13:23

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General

Target

37e0bb339045ce6b39152acb391fbb5a.exe
Size

79KB
MD5

37e0bb339045ce6b39152acb391fbb5a
SHA1

e810c0e557be3d9c4e8c72d499bca9af6182dc11
SHA256

8259ae1cc965aaf8545853248063d227fa62eb87d38616ca96a9275bb22971a1
SHA512

08855ca08a1da7ea6283bc3df0e4cebedbc241461131154ff5d7b71b81e6a52e8e7a4e6916a456342f09136930f6b8b5a65153c4e4956ea7d8c46f7d78b8cc51
SSDEEP

1536:RLNIP9SaZTbFARlq7jC1OZstZu0TS3lEdUJrkb00wJjZS:RL+ZTZX3BAtTS3lEdUJrkb0nlS

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2548	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	37e0bb339045ce6b39152acb391fbb5a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	37e0bb339045ce6b39152acb391fbb5a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3032	2928	37e0bb339045ce6b39152acb391fbb5a.exe	16
PID 2928 wrote to memory of 3032	2928	37e0bb339045ce6b39152acb391fbb5a.exe	16
PID 2928 wrote to memory of 3032	2928	37e0bb339045ce6b39152acb391fbb5a.exe	16
PID 2928 wrote to memory of 3032	2928	37e0bb339045ce6b39152acb391fbb5a.exe	16
PID 2928 wrote to memory of 2548	2928	37e0bb339045ce6b39152acb391fbb5a.exe	30
PID 2928 wrote to memory of 2548	2928	37e0bb339045ce6b39152acb391fbb5a.exe	30
PID 2928 wrote to memory of 2548	2928	37e0bb339045ce6b39152acb391fbb5a.exe	30
PID 2928 wrote to memory of 2548	2928	37e0bb339045ce6b39152acb391fbb5a.exe	30

C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe
"C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2928
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3032
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
79KB

MD5
1db5b881f24d4ec2a73f46cc2809f985

SHA1
c98cd5069437de47365118e5d34ddc9925853e8f

SHA256
f89285944b8783568eb7e39f38f3db8eddabfeb51ebe4c7b70665b14d02874db

SHA512
4daf064642a899b4e041c0ff6f75c74c3b52a8a85faa545ec67fe60a42038e6abc05b0a41045dac6863c16d38b10561c68d8667c013dc68240864f63bfa02c05

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads